18109945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 26484480

約数和(自身を除く): 8374535

約数列:

[1, 5, 7, 19, 35, 95, 113, 133, 241, 565, 665, 791, 1205, 1687, 2147, 3955, 4579, 8435, 10735, 15029, 22895, 27233, 32053, 75145, 136165, 160265, 190631, 517427, 953155, 2587135, 3621989, 18109945]

約数ペア:

[(1, 18109945), (5, 3621989), (7, 2587135), (19, 953155), (35, 517427), (95, 190631), (113, 160265), (133, 136165), (241, 75145), (565, 32053), (665, 27233), (791, 22895), (1205, 15029), (1687, 10735), (2147, 8435), (3955, 4579)]